Main features:

• VSWR. Forward and reflected power direct readout, without any calibration.
• Maximum measurable power range up to 120W.
• low insertion loss (0.3 decibels or less) structure allows it to be permanently connected.

Frequency counter function
Visible operation: Frequency,Power,SWR,FW,RW
**(N type) for measure handy radios**

Specification
Frequency test range: 125-520MHz
Measurable power range: 1-120W
test range of V.S.W.R: 1.00~19.9
Impedance: 50Ω
Insertion Loss: < 0.15dB(VHF) , < 0.25dB(UHF)
Temperature: 0 C~60 C
Auto Power Off: 1-9 mins
Interface: (in and out)N-J Interface
Battery: 3.7V 600mAh Li-ion Battery
Charger in 5V (micro usb)
Volume: W76*H77*D35mm
Weight: <220 grams
(***Not work with digital radio***)

H ow to use?
Power ON/OFF: Press 2 second the [Red button] to power on & power off;
Connect the Output of your transceiver to "TX" and Antenna or dummy Load to "ANT". Proper adaptor/cable is required if your device has different type of connectors.
(***must use dummy load to avoid burn tester & to get accurate result when test power)
Funtion menu display:
1) Adj. RF Forward %
2) Adj. RF Reward %
3) Adj. frequency counter time base.
4) Adj. RF Power %
5) Adj LCD dim of light
6)Adj. power off time
7)Adj. Powe test mode [0 for 1-10W handheld radio , 5 for Mobile Radio 10-100W]

Fun tion Memory/ SAVE:
1. Press MENU [Blue button]
2. Press F1 [Red button] [Select 1-6 Funtion]
3. Press Blue button [- ], Yellow button [+]
4. Press the Red button for 2 seconds
5. Press the Blue button to SAVE and Exit

MENU SETTING
1: RF Level of" Forward ": [-99 to +99] %
2: RF Level of "Reverse": [-99 to +99] %
3: Freq.counter"Time Base: [-99 to +99]%
4: Finr tune RF "Power Watt Level": [-99 to +99] %
5: LCD DIM [LCD Backlight Time]: "0" is ON, "1-9" mins
6: POWER OFF: "0" is ON, "1-9" mins
Notice :SW-102 is not for DMR system